Re: postmaster process and multithreading

<div style="font-family:times new roman, new york, times, serif;font-size:12pt"><div style="FONT-SIZE: 12pt;
FONT-FAMILY:times new roman, new york, times, serif">I am only using a "C" based client with libpq. But, I did not
explicitlyturn</div><div style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman, new york, times, serif">anything off
likeperl or tcl. Are these off by default? <br />Is there some way to check in the gdb or compile log? </div><div
style="FONT-SIZE:12pt; FONT-FAMILY: times new roman, new york, times, serif"> </div><div style="FONT-SIZE: 12pt;
FONT-FAMILY:times new roman, new york, times, serif">thanks.<br /></div><div style="FONT-SIZE: 12pt; FONT-FAMILY: times
newroman, new york, times, serif">----- Original Message ----<br />From: Tom Lane <tgl@sss.pgh.pa.us><br />To:
andrewklassen <aptklassen@yahoo.com><br />Cc: pgsql-interfaces <pgsql-interfaces@postgresql.org><br />Sent:
Wednesday,November 28, 2007 5:08:12 PM<br />Subject: Re: [INTERFACES] postmaster process and multithreading<br /><br
/>andrewklassen <<a href="mailto:aptklassen@yahoo.com"
ymailto="mailto:aptklassen@yahoo.com">aptklassen@yahoo.com</a>>writes:<br />> The reason I am asking is because
sometimesthe postmaster<br />> will create a core dump and it will show two threads but the<br />> backtrace on
boththreads does not show any helpful information.<br /><br />Are you using plperl or pltcl?  The backend shouldn't go
multithreaded,<br/>but we've seen problems with those interpreters causing it to happen.<br />(I suppose other language
interpreterslike python might be risks as<br />well, but those two are the only ones trouble has been reported
with.)<br/><br />            regards, tom lane<br /></div><div style="FONT-SIZE: 12pt; FONT-FAMILY: times new roman,
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